The ALS laboratory in Simi Valley, California is a nationally recognized, 22,000 square foot laboratory specializing in the analysis of ambient and indoor air, soil gas, subslab gas, landfill gas, digester gas, and other air or vapor phase samples.
The laboratory has performed testing on projects for clients in all 50 United States, Puerto Rico, Guam, and several other countries. ALS is accredited by the National Environmental Laboratory Accreditation Program (NELAP), and the US Department of Defense (DoD).
The Simi Valley laboratory provides analytical support for routine applications such as ambient air, vapor intrusion investigations, remediation, landfills, soil vapor extraction (SVE), site characterization, source emissions testing, indoor air quality, waste water, treatment plants, fence-line ambient and residential monitoring, and government projects (AFCEE, ACOE, Navy).
The laboratory maintains an inventory of nearly 4,000 passivated stainless steel canisters of various sizes, flow controllers, analog vacuum gauges, and a wide assortment of solid sampling media.
In addition to routine air testing, ALS in Simi Valley performs a wide variety of specialized tests including the analysis of odorous compounds; compliance testing for the pulp and paper industry; measurement of thermal decomposition products from aviation and hydraulic fluids for the aerospace industry; and material off-gas testing of building materials and commercial and consumer products.